04 Aug 2023 2 min read

Qubit Scorecard

Quantum computing developments are moving quickly. Stay up to date with the race towards quantum supremacy with our quick reference report of qubit counts.

Not all qubits are created equal. There are many ways to harness qubits and build quantum computers that produce different qubit quality levels. When looking at the state of quantum computing hardware, it is important to take into account that there are many factors including coherence times, noise, and other measures that come together to give you physical qubit to logical qubit ratio. With that in mind, the following are the current and road mapped qubit counts from some of today’s most advanced quantum computer developers.

Updated October 2023


  • Atom Computing recently announced a record-breaking 1,180 qubit development, the first to publicly surpass 1,000.
  • IBM has adjusted its course to aim at 100,000 qubits by 2033 a significant shift from their previously published goal of 4,100 qubits by 2025.
  • IonQ, ColdQuanta, and Fujitsu have roadmaps planned for slightly extended timelines with the goal of 1,000 qubits.
  • Google and PsiQuantum have longer-term roadmaps for achieving 1 Million qubits before the end of the decade.
  • Several companies have promising architectures that may enable them to scale their qubit count rapidly.

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